Unify logging among all streaming engines

Fix #406 (closed), depends on !307 (merged).

theodolite-benchmarks/uc2-flink/src/main/java/rocks/theodolite/benchmarks/uc2/flink/HistoryServiceFlinkJob.java

@@ -64,7 +64,7 @@ public final class HistoryServiceFlinkJob extends AbstractFlinkService {
         .map(t -> {
           final String key = t.f0;
           final String value = t.f1.toString();
-          LOGGER.info("{}: {}", key, value); // TODO align implementations
+          // LOGGER.info("{}: {}", key, value);
           return new Tuple2<>(key, value);
         }).name("map").returns(Types.TUPLE(Types.STRING, Types.STRING))
         .addSink(kafkaSink).name("[Kafka Producer] Topic: " + outputTopic);